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Fix binary literals with underscores (BIN_DIGITS regex) #178

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Fix binary literals with underscores (BIN_DIGITS regex) #178

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389b962
Fix binary literals with underscores (BIN_DIGITS regex)
AlexandrosAlexiou Nov 19, 2025
97c2922
Regenerate parser with tree-sitter
AlexandrosAlexiou Nov 20, 2025
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2 changes: 1 addition & 1 deletion grammar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ const PREC = {
};
const DEC_DIGITS = token(sep1(/[0-9]+/, /_+/));
const HEX_DIGITS = token(sep1(/[0-9a-fA-F]+/, /_+/));
const BIN_DIGITS = token(sep1(/[01]/, /_+/));
const BIN_DIGITS = token(sep1(/[01]+/, /_+/));
const REAL_EXPONENT = token(seq(/[eE]/, optional(/[+-]/), DEC_DIGITS));

module.exports = grammar({
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4 changes: 2 additions & 2 deletions src/grammar.json
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Expand Up @@ -6130,7 +6130,7 @@
"members": [
{
"type": "PATTERN",
"value": "[01]"
"value": "[01]+"
},
{
"type": "REPEAT",
Expand All @@ -6143,7 +6143,7 @@
},
{
"type": "PATTERN",
"value": "[01]"
"value": "[01]+"
}
]
}
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2 changes: 2 additions & 0 deletions src/parser.c
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Expand Up @@ -19332,6 +19332,8 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
case 519:
ACCEPT_TOKEN(sym_bin_literal);
if (lookahead == '_') ADVANCE(172);
if (lookahead == '0' ||
lookahead == '1') ADVANCE(519);
END_STATE();
case 520:
ACCEPT_TOKEN(anon_sym_SQUOTE);
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